Four Seasons 54865 A/C Evaporator Core - Rear

Overview of Four Seasons Evaporator Core 54865

The Four Seasons Evaporator Core 54865 is designed to restore efficient air conditioning performance in select GM vehicles. Engineered for Cadillac Escalade, Chevrolet Tahoe, and GMC Yukon models, this A/C evaporator core ensures reliable cooling by effectively managing refrigerant flow within the HVAC system.

• Compatible with Cadillac Escalade, Chevrolet Tahoe, and GMC Yukon
• Part Number: 54865
• Constructed from durable aluminum with plate and fin design
• Core dimensions: approximately 9.25" width, 6" to 9.31" height, and 2.875" to 3" depth
• Inlet fitting: Male insert o-ring, No. 8 outside diameter
• Outlet fitting: Female o-ring, No. 10 outside diameter
• Includes green o-rings for secure sealing

Detailed Product Description

This Four Seasons Evaporator Core 54865 features a plate and fin construction made from aluminum, providing efficient heat exchange and corrosion resistance. The core measures approximately 9.25 inches in width, with heights ranging from 6 to 9.3125 inches and depths between 2.875 and 3 inches, accommodating the specific HVAC system requirements of Cadillac Escalade, Chevrolet Tahoe, and GMC Yukon vehicles. The inlet and outlet fittings are designed with o-ring seals—male insert for the inlet (No. 8 diameter) and female for the outlet (No. 10 diameter)—to ensure leak-free connections. Included green o-rings (part numbers 24608 and 24610) provide additional sealing reliability.

The Four Seasons Evaporator Core product line focuses on delivering precise fitment and dependable performance for vehicle HVAC systems. This Evaporator Core is engineered to meet OEM specifications, ensuring compatibility and efficient operation within the air conditioning system of the specified GM models.

Common Applications and Issues Addressed

• Restores cooling efficiency in Cadillac Escalade, Chevrolet Tahoe, and GMC Yukon A/C systems
• Replaces leaking or clogged evaporator cores causing reduced airflow or refrigerant loss
• Solves issues related to unpleasant odors or moisture buildup inside the HVAC system
• Addresses inconsistent cabin temperature control due to evaporator core failure

Installation Notes and Tips

• Ensure proper evacuation and recharge of the A/C system after installation
• Verify compatibility with vehicle model year and HVAC system before installation
• Inspect and replace o-rings as needed to prevent refrigerant leaks
• Handle the evaporator core carefully to avoid damage to fins and fittings

Quality Assurance and Warranty

Manufactured by Four Seasons, the Evaporator Core 54865 adheres to strict quality standards for durability and performance. The aluminum construction and plate and fin design contribute to long service life. This part includes factory-installed green o-rings to ensure proper sealing. Warranty coverage details should be confirmed with the product documentation or supplier.